<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>css测试</title>
    <style>
      body > div {
          height: 300px;
          background-color: blanchedalmond;
      }
    </style>
  </head>
  <body>
    <div>
      <div>2021-11-24</div>
      <span>6666</span>
    </div>
    <div>
        666
    </div>
    <div>
        77
    </div>
  </body>
</html>
